<!DOCTYPE html>
<html lang="zh-CN"><head>
    <meta charset="utf-8">
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    <title>年会节庆等活动常用数字滚动抽奖js特效代码</title>
    <meta name="keywords" content="年会,节庆,活动,常用,数字滚动,抽奖,js特效代码">
    <meta name="description" content="年会节庆等活动常用数字滚动抽奖js特效代码。">
    <script type="text/javascript" src="assets/1/jquery.min.js"></script>
    <script type="text/javascript">
    function stops(){
       return false;
    }
    document.oncontextmenu=stops;
    </script>
    <style>
    *{margin:0;padding:0;}
    img{display:block;}
    i{font-style:normal;}
    .vetically{justify-content:center;align-items:center;display:-webkit-flex;}
    .prize_con{position: absolute;width: 100%;height: 100%;background: url(assets/1/firstp_bg.jpg) no-repeat left top / 100% 100%;overflow: hidden;}
    .prize_grade{font-size:98px;color: #ffe9af;text-align: center;margin: 60px auto 0;}
    .prize_list{width:55%;height:230px;margin: 20px auto 55px;text-align: center;overflow: hidden;}
    .prize_list ul{width:100%;font-size:0;}
    .prize_list li{display:inline-block;font-size:45px;color:#f1bf90;text-align: center;width:20%;line-height:100px;font-family:Arial;}
    .start{width: 250px;height: 90px;margin:0 auto;cursor:pointer;}
    .prize_set{position: absolute;right: 60px;bottom:140px;font-size: 16px;color: #f7f3e8;line-height: 30px;}
    .prize_set li{display: inline-block;margin-left: 20px;}
    .set_grade select,.set_people input, .set_money input{background: #fff;width:110px;height:36px;border:1px solid #8f0000;margin-left: .1rem;color: #000;padding-left:10px;}
    </style>
    </head>
    <body>
    <div class="wrap">
      <div class="prize_con">
          <p class="prize_grade"><span>一等奖</span> <i>111</i>元</p>
            <div class="prize_list vetically">
              <ul><li>458412</li><li>778899</li><li>854136</li><li>546221</li><li>158602</li></ul>
            </div>
          <p class="start"><img src="assets/1/prize_start.png" alt=""></p>
          <ul class="prize_set">
              <li class="set_grade">奖等
                <select id="set_grade">
                  <option>选择奖等</option>
                  <option>特等奖</option>
                  <option>一等奖</option>
                  <option>二等奖</option>
                  <option>三等奖</option>
                </select>
              </li>
              <li class="set_people">人数<input type="tel" placeholder="输入中奖人数" id="prizeCount"></li>
              <li class="set_money">金额<input type="tel" placeholder="输入中奖金额" id="prizeMoney"></li>
          </ul>
      </div>
    </div>
    <input type="hidden" value="0" id="prize_btn">
    <script>
      var myNumber;
      var arr = [];
      var code = [302610,210022,159862,158602,145635,856997,586223,546221,145213,987451,251364,854136,581698,123785,521387,752169,718954,412321,898989,121245,788565,458558,589659,455212,964632,458412,223344,112233,335566,778899];
    
      /*随机所有的code并且不重复*/
      function showRandomNum(num) {
        var li = "";
        for(var i = 0; i < code.length; i++){
          arr[i] = i;
        }
        arr.sort(function(){
          return 0.5 - Math.random();
        });
    
        for(var i = 0; i < num; i++){
          var index = arr[i];
          li += '<li>'+code[index]+'</li>';
        }
    
        $(".prize_list ul").html(li);
      }
    
      $(function () {
        $(".start").click(function(){
          if($("#prize_btn").val() == 0){        
            if($("#set_grade").val() == "选择奖等") {
                alert("请选择奖等");
                return;
            }else if($("#prizeCount").val() == "") {
                alert("请输入中奖人数");
                return;
            }else if($("#prizeCount").val() > 10) {
                alert("单次抽奖人数不能超过10人");
                return;
            }else if($("#prizeMoney").val() == "") {
                alert("请输入中奖金额");
                return;
            }else{
              $("#prize_btn").val(1);
              var num = $("#prizeCount").val();
              $(this).find("img").attr("src","assets/1/prize_stop.png");
    
              myNumber = setInterval(function(){
                showRandomNum(num);
              }, 30);
            }        
          }else{
            $("#prize_btn").val(0);
            clearInterval(myNumber);
            $(this).find("img").attr("src","assets/1/prize_start.png");
          }      
        });
    
        //回车键控制开始和停止
        $(document).keydown(function (event) {
            var e = event || window.event || arguments.callee.caller.arguments[0];
            if (e && e.keyCode == 13) { // enter 键
                $(".start").click();
            }
        });
    
        $("#set_grade").change(function(){
          $(".prize_grade span").text($(this).val());
        });
    
        $("#prizeMoney").keyup(function(){
          $(".prize_grade i").text($(this).val());
        });
    }); 
    </script>
    
     </body></html>